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gif2webp: Use DGifOpenFileName()

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This removes some unnecessary code.

Change-Id: Ic87baa402362f43b30d7c4a75be2f58e8f13f4a1
This commit is contained in:
Urvang Joshi 2013-01-08 11:07:13 -08:00
parent b50f277bc7
commit 476e293fe8
1 changed files with 1 additions and 14 deletions
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15
examples/gif2webp.c
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@ -43,11 +43,6 @@
static int transparent_index = -1; // No transparency by default. static int transparent_index = -1; // No transparency by default.
static int MyReader(GifFileType* gif, GifByteType* buffer, int length) {
FILE* const file = (FILE*)gif->UserData;
return fread(buffer, 1, length, file);
}
static void ClearPicture(WebPPicture* const picture, uint32_t color) { static void ClearPicture(WebPPicture* const picture, uint32_t color) {
int x, y; int x, y;
for (y = 0; y < picture->height; ++y) { for (y = 0; y < picture->height; ++y) {
@ -174,7 +169,6 @@ int main(int argc, const char *argv[]) {
int ok = 0; int ok = 0;
const char *in_file = NULL, *out_file = NULL; const char *in_file = NULL, *out_file = NULL;
FILE* out = NULL; FILE* out = NULL;
FILE* in = NULL;
GifFileType* gif = NULL; GifFileType* gif = NULL;
WebPPicture picture; WebPPicture picture;
WebPPicture view; WebPPicture view;
@ -246,14 +240,8 @@ int main(int argc, const char *argv[]) {
goto End; goto End;
} }
in = fopen(in_file, "rb");
if (in == NULL) {
fprintf(stderr, "Can't open input file '%s'\n", in_file);
goto End;
}
// Start the decoder object // Start the decoder object
gif = DGifOpen(in, MyReader); gif = DGifOpenFileName(in_file);
if (gif == NULL) goto End; if (gif == NULL) goto End;
// Allocate picture buffer // Allocate picture buffer
@ -447,7 +435,6 @@ int main(int argc, const char *argv[]) {
WebPMuxDelete(mux); WebPMuxDelete(mux);
WebPPictureFree(&picture); WebPPictureFree(&picture);
if (out != NULL && out_file != NULL) fclose(out); if (out != NULL && out_file != NULL) fclose(out);
if (in != NULL && in_file != NULL) fclose(in);
if (gif_error != 0) { if (gif_error != 0) {
PrintGifError(); PrintGifError();